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List Entry Summary

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.


List entry Number: 1386901



The building may lie within the boundary of more than one authority.


District: City of Portsmouth

District Type: Unitary Authority


National Park: Not applicable to this List entry.

Grade: I

Date first listed: 30-Oct-1969

Date of most recent amendment: 18-Mar-1999

Legacy System Information

The contents of this record have been generated from a legacy data system.

Legacy System: LBS

UID: 474314

Asset Groupings

This list entry does not comprise part of an Asset Grouping. Asset Groupings are not part of the official record but are added later for information.

List entry Description

Summary of Building

Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

Legacy Record - This information may be included in the List Entry Details.


Legacy Record - This information may be included in the List Entry Details.



SZ6299 BROAD STREET, The Point 774-1/11/457 (West side) 30/10/69 The Round Tower (Formerly Listed as: BROAD STREET, The Point Square Tower Kings Stairs Sallyport 18 Gun Battery Round Tower Flanking Battery)


The Round Tower fortification, now museum. c1415. Ground floor reconstructed c1538-40. 2 upper storeys added probably late C17 by Sir Bernard de Gomme and remodified early C19, possibly for adaptation as a Martello Tower. Top raised and reconstructed and adapted as a gun platform c1850. Restored late C20. Ashlar stone. Roof asphalt paved. 3 storeys separated by stone string bands, lower storey projects. Cylindrical. Entrance facing Board Street has a 2-leaf panel door each leaf with a 6-pane glazed upper panel, set under a cambered stone arch. Facing the harbour on north and west sides are 3 gun ports each set under a flat segmental arch. 3 other gun ports were blocked up probably late C17 by Sir Bernard de Gomme. INTERIOR: rebuilt early C19 was reconstructed and has a large central stone column with brick vaulting, casements formed behind the surviving gun ports. (Balfour A: Portsmouth: London: 1970-: 15; Corney A: Fortifications in Old Portsmouth: Portsmouth City Museums: 1965-: 30, 31 AND 32; Lloyd DW: Buildings of Portsmouth and its Environs: Portsmouth: 1974-: 35,54-56,78,79,102; The Buildings of England: Pevsner N & Lloyd D: Hampshire and the Isle of Wight: Harmondsworth: 1967-: 422).

Listing NGR: SZ6292699463

Selected Sources

Books and journals
Balfour, A, Portsmouth, (1970), 15
Corney, A , Fortifications in Old Portsmouth, (1965), 30-32
Lloyd, D W , Buildings of Portsmouth and its Environs, (1974), 35,54-56
Lloyd, D W , Buildings of Portsmouth and its Environs, (1974), 78,79,102
Pevsner, N, The Buildings of England: Hampshire and the Isle of Wight, (1967), 422

National Grid Reference: SZ 62911 99373


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End of official listing